require 'spec_helper'
 
describe UsersController do
  render_views
 
  describe "GET 'new'" do
    it "should be successful" do
      get 'new'
      response.should be_success
    end
 
    it "should have the right title" do
      get 'new'
      response.should have_selector("title",:content => "Sign up")
    end
  end
end

代码片段来自：http://ruby.railstutorial.org/chapters/filling-in-the-layout#top上市5.26